SECTIONS. INDEX OF SUBJECTS. 



315: 



steamships, J. S. Eussell on an indicator of 

 the speed of, 1842, 109. 



• , on a cylindrical spiral boiler adapted 



to, by J. Elder, 1860, 204. 



'■■ , on double-cylinder expansion engines 



for, by J. Elder, 1858, 211. 



r , on the performance of, the functions 



of the screw, and the relations of its dia- 

 meter and pitch to the form of the yessel, 



. by Admiral Moorsom, 1858, 215; 1859, 

 237. 



, G. Kennie on the application of the 

 screw to the propulsion of, 1841, loi. 



: Capt. Carpenter on the duplex rudder 



and screw propeller, 1851, no. 



: on the resistance of a screw when re- 

 volving in water at different depths and 

 velocities, by G. Bennie, 1856, 169. 



, J. S. Eussell on the temperature of 



moat effective condensation in, 1840, 186. 



•; , J. S. Russell on the economical pro- 

 portion of power to tonnage in, 1839, 

 124. 



, J. S. Russell on the economical and 



effective proportion of engine power to 



. the tonnage of the hull in, 1840, 188. 



, Mr. Fleming's plan for the ventilation 



of, 1842, no. 



•-^ — , Mr. Wallace on extinguishing fire in, 

 1840, 194. 



Stearine, effect of pressure on the tempera- 

 ture of fusion of, by W. Hopkins, 1854, 

 58. 



Steel, W. Petrie on the physical properties 

 which it should possess in the manufac- 

 ture of magnets, 1846, 34. 



, J. Nasmyth on the chemical character 



of, 1848, 57. 



- — — , hard, and cast iron. Rev. Dr. Scoresby 

 on a new process of magnetic manipula- 

 tion, with its effects on, 1844, 100. 



, malleable iron, and cast iron, Dr. C. 



Schafhaeutl on the combinations of the 



. constituents of, 1839, 49, 



, on Dr. G-urlt's process for making 



and melting, by P. J. Worsley, 1856, 



59- 

 — — , Prof. W. J. M. Rankine on the strength 



of, 1859, 242. 

 — — , in bridge-building, on the valuable 



properties of, by J. I. Hawkins, 1831-32, 



608. 

 Stellaria umbrosa, Reich., new to the English 



flora, notice of, 1839, 92. 

 Stenops, Prof. Van der Hoeven on the genus 



Perodicticus of Bennett, and its relation 



to, 1850, 125. 

 Potto, Prof. Yan der Hoeven on the 



anatomy of, 1860, 134. 

 Stephenson's tubular bridge for crossing the 



Menai Straits, W. Fairbairn's experiments 



on, 1846, 107 ; Prof. Hodgkinson's experi- 

 ments on, 108. 

 Stereognathus ooliticus, a fossil mammal 

 . from the Stonesfield slnle, 1854, 80 ; Prof. 



Owen oathe, 1856, 73. 



Stereoscope, Prof. Wheatstone on the, 1838, 

 16. 



, new. Sir D. Brewster on a, 1849, 6. 



, lenticular, notice of an early form of 



the, 1858, 19. 



, A. Claudet on the angle to be given to 



binocular photographic pictures for the, 

 1853, 4. 



Stereoscopes, on producing the idea of disr 

 tance in the, by J. Beck, 1859, 61. 



, A. Claudet on the means of increasing 



the angle of, to obtain an effect in propor- 

 tion to their magnifying power, 1860, 61. 



Stereoscopic cosmoramic lens, G-. Knight on 

 a, 1854, 70. 



images, A. Claudet on various pheno- 

 mena of refraction through semi-lenses, 

 producing anomalies in the illusion of, 

 1856, 9. 



phenomena, M. Dove on some, 1854, 9» 



Stereoscopometer, A. Claudet on the, 1852, 6. 



Sternoptixineas, Dr. Handyside on the, 1838, 

 no. 



Stethoscope, improved, Dr.Q-rfi,nville'8,1838^ 

 129. 



, Dr. C. J. B. WilHams on the, 1842, 75. 



Stoke Prior engine, a new rotatory steam- 

 engine, notice of the, 1839, 129. 



Stomach : Dr. R. D. Thomson on the che- 

 mistry of the digestive organs, 1836, 117. 



■^ , Dr. R. D. Thomson on the existence 



of free muriatic acid in the, 1839, 58. 



^ , Dr. Holland on the cause of death 



from a blow on the, 1837, 104. 



Stone, A. J. Adie on its expansion by the 

 application of heat, 1834, 569, 



TTT-r— , Prof. E. Hodgkinson on the strength 

 and elasticity of, 1849, 116. 



— : — columns, Prof. E. Hodgkinson on the. 

 strength of, 1845, 26. 



and crystalline bodies, Prof. E. Hodg- ' 



kinson on the elasticity of, 1853, 36, 



, on the application of the soluble sili- 

 cates for the preservation of, by F. Ran- 

 some, 1859, 78. , 



, artificial, on the manufacture of, by 



F. Ransome, 1859, 78. 



hatchets, Sir E. Belpher on their ma-.. 



nufacture by the Esquimaux, 1860, j 54. 



Stones, rolled, found in the e-oal-aeam of 

 Cockfield Fell Colliery, H. T. M. Witham 

 on, 1838, 79. 



, sculptured, of Scotland, J. Stuart on' 



the, 1859, 197, 



Stonesfield slate, J. F. Whiteavegi on the fos- 

 sils of the, I860,' 104. 



Stork, gigantic, sculptured on the tomb of 

 an officer of the household of Pharaoh, 

 J. Bonomi on a, 1845, 63. 



Storm, great, of January 6 & 7, 1839, A. F. 

 Osier on the, 1839, 18. 



, remarkable, at Bombay, Col. Sykes 



on a, 1848, 41. 



of hail, remarkable, R. Garner on a,, 



1856, 39. 



Storms, J. P. Espy on, 1840,^ 30. 



